Install oracle10g AS 904 infrastructure and middle tiers on single node??

Hi
I will install oracle10g AS 904 infrastructure and middle tiers on single node.
I have some question.
1.install infrastructure and middle tiers must have different home_dir , It is mean use one user (EX:oracle) or two users (EX: infra and mid ) install ?
2. If use one user install , How to edit the user profile ?
3. If it install complete , Which em console do I start (infra or middle)??
4. Ple give the clear steps to install Infrastructure and Portal and wireless
on single host for AIX5L.
thank
kevin

Hi Kevin,
1. Create two seprate Oracle homes. Use the same user to install both.
2. Are you refering to changing ORACLE_HOME, etc?
3. Both. To save memory you can shut them down when you don't need them.
4. Use the quick installation guide. You can find it under documentation here on OTN.
Regards,
Mathias

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